116 lines
4.5 KiB
Java
116 lines
4.5 KiB
Java
/*
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* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8153955
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* @summary test the FileHandler's new property
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* "java.util.logging.FileHandler.maxLocks" which will be present in
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* "logging.properties" file with default value of 100. This property can be
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* overriden by specifying this property in the custom config file.
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* @library /test/lib
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* @build jdk.test.lib.Platform
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* jdk.test.lib.util.FileUtils
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* @author rpatil
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* @run main/othervm FileHandlerMaxLocksTest
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*/
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.logging.FileHandler;
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import jdk.test.lib.util.FileUtils;
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public class FileHandlerMaxLocksTest {
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private static final String LOGGER_DIR = "logger-dir";
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private static final String MAX_LOCK_PROPERTY = "java.util.logging.FileHandler.maxLocks = 200";
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private static final String CONFIG_FILE_NAME = "logging.properties";
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public static void main(String[] args) throws Exception {
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File loggerDir = createLoggerDir();
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String configFilePath = loggerDir.getPath() + File.separator + CONFIG_FILE_NAME;
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File configFile = new File(configFilePath);
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createFile(configFile, false);
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System.setProperty("java.util.logging.config.file", configFilePath);
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List<FileHandler> fileHandlers = new ArrayList<>();
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try (FileWriter writer = new FileWriter(configFile)) {
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writer.write(MAX_LOCK_PROPERTY);
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writer.flush();
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// 200 raises the default limit of 100, we try 102 times
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for (int i = 0; i < 102; i++) {
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fileHandlers.add(new FileHandler(loggerDir.getPath() + File.separator + "test_%u.log"));
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}
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} catch (IOException ie) {
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throw new RuntimeException("Test Failed: " + ie.getMessage());
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} finally {
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for (FileHandler fh : fileHandlers) {
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fh.close();
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}
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FileUtils.deleteFileTreeWithRetry(Paths.get(loggerDir.getPath()));
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}
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}
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/**
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* Create a writable directory in user directory for the test
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*
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* @return writable directory created that needs to be deleted when done
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* @throws RuntimeException
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*/
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private static File createLoggerDir() throws RuntimeException {
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String userDir = System.getProperty("user.dir", ".");
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File loggerDir = new File(userDir, LOGGER_DIR);
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if (!createFile(loggerDir, true)) {
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throw new RuntimeException("Test failed: unable to create"
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+ " writable working directory "
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+ loggerDir.getAbsolutePath());
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}
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// System.out.println("Created Logger Directory: " + loggerDir.getPath());
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return loggerDir;
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}
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/**
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* @param newFile File to be created
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* @param makeDirectory is File to be created is directory
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* @return true if file already exists or creation succeeded
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*/
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private static boolean createFile(File newFile, boolean makeDirectory) {
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if (newFile.exists()) {
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return true;
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}
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if (makeDirectory) {
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return newFile.mkdir();
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} else {
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try {
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return newFile.createNewFile();
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} catch (IOException ie) {
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System.err.println("Not able to create file: " + newFile
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+ ", IOException: " + ie.getMessage());
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return false;
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}
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}
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}
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}
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